Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Range("plage")) Is Nothing Then
Target.Copy
Application.EnableEvents = False
Application.Undo
Target.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _
:=False, Transpose:=False
Application.EnableEvents = True
End If
end sub